Регистры Allwinner H616

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IOMMU_L1PG_INT_REG
3.12.5. IOMMU L1 Page Table Interrupt Register - адрес: 0x30f0180 (смещение: 0x0180)

Модуль управления памятью ввода-вывода IOMMU: список регистров



31 ||||||||||||||||| 16
15 ||||||||||||||||| 00

  DBG_MODE_L1PG_INT

Bit 31
R
0x0

Debug mode address switch causes L1 page table to occur interrupt.


  Unused

Bits 30 : 7

  MASTER6_L1PG_INT

Bit 6
R
0x0

Master6 address switch causes L1 page table to occur interrupt.


  MASTER5_L1PG_INT

Bit 5
R
0x0

Master5 address switch causes L1 page table to occur interrupt.


  MASTER4_L1PG_INT

Bit 4
R
0x0

Master4 address switch causes L1 page table to occur interrupt.


  MASTER3_L1PG_INT

Bit 3
R
0x0

Master3 address switch causes L1 page table to occur interrupt.


  MASTER2_L1PG_INT

Bit 2
R
0x0

Master2 address switch causes L1 page table to occur interrupt.


  MASTER1_L1PG_INT

Bit 1
R
0x0

Master1 address switch causes L1 page table to occur interrupt.


  MASTER0_L1PG_INT

Bit 0
R
0x0

Master0 address switch causes L1 page table to occur interrupt.



Команда U-Boot для чтения регистра

md 30f0180 1



Bit fields structure

typedef union  iommu_l1pg_int_reg
{
  struct
  {
   unsigned master0_l1pg_int : 1;
   unsigned master1_l1pg_int : 1;
   unsigned master2_l1pg_int : 1;
   unsigned master3_l1pg_int : 1;
   unsigned master4_l1pg_int : 1;
   unsigned master5_l1pg_int : 1;
   unsigned master6_l1pg_int : 1;
   unsigned unused0 : 24;
   unsigned dbg_mode_l1pg_int : 1;
  } b;
   unsigned long w;
} IOMMU_L1PG_INT_REG
   

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